MPI_Op_free function

Frees a user-defined combination function handle.

Syntax

int MPIAPI MPI_Op_free(
   _Inout_ MPI_Op *op
);

Parameters

• op
  Operation.

Return value

Returns MPI_SUCCESS on success. Otherwise, the return value is an error code.

In Fortran, the return value is stored in the IERROR parameter.

Fortran

    MPI_OP_FREE(OP, IERROR)
        INTEGER OP, IERROR

Remarks

op is set to MPI_OP_NULL on exit.

Requirements

Product	HPC Pack 2012 MS-MPI Redistributable Package, HPC Pack 2008 R2 MS-MPI Redistributable Package, HPC Pack 2008 MS-MPI Redistributable Package or HPC Pack 2008 Client Utilities
Header	Mpi.h; Mpif.h
Library	Msmpi.lib
DLL	Msmpi.dll

See also

MPI Collective Functions